On Feb 13, 8:03 pm, Richard Jones <[EMAIL PROTECTED]> wrote:
> I've tried poking through the documentation and source to determine
> this, but it's still unclear to me how SQLAlchemy generates IDs for
> new rows in Oracle.
>
> There's support for sequences in the oracle backend, but there don't
> appear to be sequences created for my tables.
>
It is a two step process.
- define the sequences in Oracle
- indicate to SA that you want to use it for a given table
For example:
from sqlalchemy import *
meta = MetaData()
roles = Table('box_role',
meta,
Column('id', Integer, Sequence('seq_box_role_id'),
primary_key=True),
Column('name', String(50), nullable=False),
)
According to:
http://www.sqlalchemy.org/docs/04/metadata.html#metadata_defaults_sequences
the first step may not be required but if your DBA has some naming
conventions
he wants you to follow making them by hand may be a good idea.
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